Specified Risk Materials

Question 1

What is a specified risk material?

Answer 1

Part of cattle, sheep or goat likely to pose risk of infectivity if animal had TSE
Must be removed and destroyed as category 1 ABP

Question 2

What is always removed from cattle?

Answer 2

Tonsils
Last 4m of SI
Caecum
Mesentery

Question 3

What SRM do you remove from cattle over 12 months?

Answer 3

Skull (excluding mandible)
Spinal cord

Question 4

What does a red stripe mean?

Answer 4

Cattle is over 30 months - needs vertebral column removing

Question 5

What age is vertebral column removed from cattle?

Answer 5

> 30 months

Question 6

Which parts of vertebral column are excluded for cattle?

Answer 6

Tail vertebrae
Spinous and transverse processes
Median sacral crest
Wings of sacrum

Question 7

What should you do if a cattle carcass is not ID’d

Answer 7

Remove vertebral column and detain

Question 8

How many erupted incisors does cattle >30 months have?

Answer 8

5

Question 9

What should you do if a cattle FCI says <30 months but has 5 erupted incisors?

Answer 9

Detain for investigation

Question 10

RMOP for SRM

Answer 10

Required Method of Operation
Use different knives and aprons

Question 11

What is removed from sheep/goats <12 months

Answer 11

Nothing - no SRM

Question 12

What is removed from sheep/goats >12 months

Answer 12

Spinal cord and skull

Question 13

How many erupted incisors doe sheep have >12 months?

Answer 13

1

Question 14

What samples are taken for scrapie surveilance

Answer 14

Random samples of sheep/goats >18 months old
DOA/DIL sheep/goats >18 months old
Suspect scrapie cases

Must inform APHA - notifiable disease

Question 15

How do you test for scrapie?

Answer 15

FBO removes head
OV or MHI removes brainstem and cerebellum and sends to testing lab

Question 16

BSE Testing requirements

Answer 16

Test at risk cattle >48 months

Question 17

What counts as at risk cattle?

Answer 17

fallen stock
emergency slaughter animals
Animals sick at AMI